With time every building becomes unsuitable for use and therefore needs to be renovated. In this thesis, we presented the best possible renovation plan, using a thermal insulation envelope for installation on the present building, which is a hayrack. We wanted to redesign it into a tourist accommodation facility. Because we wanted to retain the outside appearance of the building, we moved the thermal insulation envelope to the inside of the hayrack. In our work we followed the minimum requirements defined in the Regulation and Efficient Use of Energy in Buildings - PURES 2010 [1]. First, we determined the composition of individual construction units and then calculated the thermal conduction values using the TEDI program.
These values were later compared to those determined in the Technical guidelines for building construction TSG-4 [3]. Because of space restrictions, vacuum insulation panels were used for thermal insulation. With this measure we were able to gain useful height for the mansard and, consequently, a larger surface for use in the living areas, thus improving the buildings useability, functionality and economy. We have also proven the economic viability of VIP
panels, since this kind of thermal insulation is new and not in everyday use in construction and thus expensive. Using the TOST program, we also had to make sure that the envelope satisfied the buildings heating energy consumption requierments.
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